20333844

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1381}}^1$

素因数の和:1800

約数の個数: 36

約数和(自身を含む): 51562420

約数和(自身を除く): 31228576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1381, 1636, 2454, 2762, 3681, 4143, 4908, 5524, 7362, 8286, 12429, 14724, 16572, 24858, 49716, 564829, 1129658, 1694487, 2259316, 3388974, 5083461, 6777948, 10166922, 20333844]

約数ペア:

[(1, 20333844), (2, 10166922), (3, 6777948), (4, 5083461), (6, 3388974), (9, 2259316), (12, 1694487), (18, 1129658), (36, 564829), (409, 49716), (818, 24858), (1227, 16572), (1381, 14724), (1636, 12429), (2454, 8286), (2762, 7362), (3681, 5524), (4143, 4908)]